Brother DCPJ525W Service Manual page 261

(7) Adjust the inclination of the head/carriage unit using the procedure below.
If the least uneven block number in the upper single row is "0":
1) Check the center two rows of blocks and select the block that is the least uneven print.
Turn the external knob of the inclination adjuster with a spanner by the selected block
number of the scale marks.
For example, if the block that is the least uneven print is +1, turn the external knob
clockwise by one scale mark. If it is -1, turn it counterclockwise by one scale mark.
2) After adjustment, proceed to step (8).
If the least uneven block number in the upper single row is other than "0":
1) Check the upper single row of blocks and select the block that is the least uneven print.
Turn the internal knob of the inclination adjuster with a hexagonal wrench by the
selected block number of the scale marks.
For example, if the block that is the least uneven print is +1, turn the internal knob
clockwise by one scale mark. If it is -1, turn it counterclockwise by one scale mark.
2) Close the document scanner unit and print the test pattern again in the same way as in
step (5).
3) Move the head/carriage unit to the adjustment position in the maintenance mode
(Function code 63), referring to
unit.
4) In the center two rows of blocks, select the block that is the least uneven print. Turn the
external knob with a spanner by the selected block number of the scale marks.
For example, if the block that is the least uneven print is +1, turn the external knob
clockwise by one mark. If it is -1, turn it counterclockwise by one mark.
(8) After adjustment, close the document scanner unit.
The head/carriage unit returns to the home position.
Head/carriage unit
Head cover
External knob
of the inclination adjuster
(head_position_1)
Chapter 5, Section 1.4.20. Open the document scanner
4-8
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